LG Dryer Error Code E13: How to Fix It

Hard 1-2 hours High Severity Verified June 2026
Error Code
E13
Brand
LG
Product Type
dryer
Severity
High
DIY Difficulty
Hard
Estimated Fix Time
1-2 hours
LG dryer error code E13 indicates a communication failure between the main control board (PCB) and other circuit boards in your dryer. This error typically occurs when electrical signals can't properly transmit between components, often due to loose connections or faulty control boards.
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Tools You'll Need

How to Fix Error Code E13

  1. Safety First - Disconnect Power

    Always disconnect power before working on electrical appliances to prevent shock or electrocution.
  2. Remove the Top and Front Panels

    Support panels carefully to avoid damage and keep track of all screws.
  3. Locate the Main Control Board

  4. Inspect All Wire Connections

    Handle connectors gently - forcing them can cause damage to pins or wiring.
  5. Check for Damaged Wiring

  6. Test Control Board Connections with Multimeter

    Ensure power is still disconnected before using the multimeter on any circuits.
  7. Reset the Dryer System

  8. Replace Control Board if Necessary

    Take a photo of wire connections before removing the old board to ensure proper reconnection.

Parts You May Need

Main control board
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Wire harness connectors
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Main control board
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Wire harness connectors
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Main control board
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Wire harness connectors
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Main control board
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Wire harness connectors
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Main control board
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Wire harness connectors
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Main control board
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Wire harness connectors
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Main control board
Check Price on Amazon
Wire harness connectors
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connectors
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connectors
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connectors
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connectors
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connectors
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connectors
Check Price on Amazon
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When to Call a Professional

Call a professional if you're uncomfortable working with electrical components, if multiple control boards need replacement, or if the error persists after replacing the main control board. Professional diagnosis may be needed if wiring harnesses throughout the dryer are damaged.

Frequently Asked Questions

What causes LG dryer error code E13?
Error code E13 is caused by communication failure between the main control board and other circuit boards. This usually happens due to loose wire connections, damaged wiring, or a faulty main control board.
Can I fix E13 error myself?
Yes, if you're comfortable working with electrical components. Start by checking and reconnecting all wire harnesses. However, if control board replacement is needed, consider calling a professional due to the complexity and cost of parts.
How much does it cost to fix E13 error on LG dryer?
If it's just loose connections, the fix is free. If the main control board needs replacement, expect to pay $200-400 for parts plus labor. Sometimes it's more economical to replace an older dryer.
Will my dryer work with E13 error showing?
No, the dryer will not operate when E13 error is displayed. The communication failure prevents the control system from functioning properly, so the dryer shuts down for safety.
How do I prevent E13 error from happening again?
Keep the dryer clean, avoid overloading, and have it serviced annually. Ensure proper ventilation to prevent overheating that can damage electronic components. Power surges can also damage control boards, so consider using a surge protector.